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-rw-r--r--botan/src/s2k/s2k.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/botan/src/s2k/s2k.cpp b/botan/src/s2k/s2k.cpp
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+++ b/botan/src/s2k/s2k.cpp
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+/*
+* S2K
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/s2k.h>
+
+namespace Botan {
+
+/*
+* Derive a key from a passphrase
+*/
+OctetString S2K::derive_key(u32bit key_len,
+ const std::string& passphrase) const
+ {
+ return derive(key_len, passphrase, salt, salt.size(), iterations());
+ }
+
+/*
+* Set the number of iterations
+*/
+void S2K::set_iterations(u32bit i)
+ {
+ iter = i;
+ }
+
+/*
+* Change the salt
+*/
+void S2K::change_salt(const byte new_salt[], u32bit length)
+ {
+ salt.set(new_salt, length);
+ }
+
+/*
+* Change the salt
+*/
+void S2K::change_salt(const MemoryRegion<byte>& new_salt)
+ {
+ change_salt(new_salt.begin(), new_salt.size());
+ }
+
+/*
+* Create a new random salt
+*/
+void S2K::new_random_salt(RandomNumberGenerator& rng,
+ u32bit length)
+ {
+ salt.create(length);
+ rng.randomize(salt, length);
+ }
+
+}